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Browse key terms and definitions across all GCSE subjects. Search by keyword or filter by subject and exam board.
23,110 key terms
User
A person who will use a product. The user and client are not necessarily the same.
User access level
Permissions that determine which resources a user can access and what actions they can perform.
User-centred design
An approach that places users’ needs at the centre of design decisions throughout the design process.
User-devised subprogram
A subprogram written by the programmer to carry out a task needed by their program.
User-generated content
Content created by users rather than solely by professional media producers, such as shared builds, videos and playable islands.
User ID
An identifier, such as a username, that tells a system which user account someone claims to own.
User interface
The means through which a user interacts with a computer system, such as graphical controls or typed commands.
User interface
The controls and screen information through which a user interacts with a game or other digital product.
User management
The management of user accounts, identity checks, access rights and permissions by the operating system.
Username
An identifier used to distinguish a user's account from other accounts.
User need
Something a user requires to carry out an activity successfully, safely or comfortably.
User requirement
A feature or behaviour that a program must provide to meet a user’s needs.
User trial
A test in which an intended user carries out relevant tasks with a product or prototype while the designer records its performance and the user's response.
User want
A user's preference or desired feature that is not necessarily essential to the product's basic purpose.
Uses and Gratifications
Blumler and Katz’s theory that audiences actively select media to satisfy needs, including diversion, information, personal relationships and personal identity.
Uses and Gratifications theory
An approach which proposes that active audiences choose and use media to satisfy needs, such as diversion, information, social relationships and personal identity.
U-shaped valley
A valley shaped by glacial erosion, with steep sides and a broad floor.
US marshal
A federally appointed officer who enforced US national laws, pursued fugitives and carried out federal court orders.
USSR
The Union of Soviet Socialist Republics, formed in 1922 as a union of republics under Communist rule.
US territory
An area governed by the United States that had not yet been admitted as a state.
Usul ad-Din
The ‘roots of religion’: five foundational beliefs in Shi’a Islam, including the imamate.
Usurpation
Taking a position of power without a rightful claim to it.
Usurper
A person accused of taking power without a rightful claim to it.
Usurper
Someone who takes power or a position without a rightful claim to it.
Usury
Lending money at interest; this practice was forbidden to Jewish lenders by Edward I’s Statute of the Jewry in 1275.
Usury
Lending money at interest, traditionally condemned by Christian teaching. Today the word usually refers to lending at excessive or exploitative rates.
Usus
Acquisition of manus through a wife living with her husband for one uninterrupted year.
Uterus lining
The inner lining of the uterus, which thickens in preparation for the implantation of an embryo.
Utilitarianism
An ethical approach that judges actions by their consequences, seeking the greatest overall good and least suffering.
Utility
How useful a source is for answering a particular historical question.
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